Verdict: Don’t bother

E10 petrol – a 10 per cent mix of ethanol in petrol – is a nice idea … but E10 petrol will not save you any money.

E10 petrol sounds like a smart idea - but unless you watch the price carefully you could easily get ripped offAbove: Typical ethanol marketing fluffNEED TO KNOW

• Petrol is derived from crude oil, a fossil fuel. It is a chemical hydrocarbon. (Actually it’s a collection of hydrocarbons.)
• Ethanol is manufactured, usually by fermentation, from plant products containing sugars and starches. Ethanol is an alcohol (actually it’s the same alcohol as the stuff in beer, wine and spirits).
• When you buy fuel, you’re buying a liquid form of energy. Unfortunately, ethanol